Fabrication and sterilization characteristics of visible light photocatalyst of CuO/ZrO2/CB/Coal-Tar-Pitch-SAC

Abstract

To provide an effectivemethod of green aquaculture, the photocatalysts ofCuO/ZrO2/CB/coaltar- pitch-SAC,which have visible light sterilization capacity, were successfully fabricated by coating ZrO2 and CuO on the surface of CB/coal-tar-pitch-SAC. The structures of synthesized CuO/ZrO2/CB/coaltar- pitch-SAC were investigated by XRD, XPS and SEMmeasurements in detail. It was observed that CuO/ZrO2/CB/coal-tar-pitch-SAC materials possess obvious heterojunction structure and excellent visible light sterilization capacity when the prepared weight ratio of CuO, ZrO2 and CB/coal-tar-pitch-SAC is controlled as 0.03:0.3:1. Our studies can provide a beneficial reference for the design of photocatalysts with sterilization capacity in visible light.